On the best method of demagnetizing iron in magnetic testing (1908)
National Bureau of Standards · leaf 74
.0003 5.0 10290 10340 50 1.4 .0001 10.0 13930 12920 — 10 — .3 .0000 15.0 15630 15590 —40 — 1.1 .0000 See Fig. 27. decreases for high inductions. At higher temperature this temper-ature coefficient is always negative and increases rapidly with thetemperature, until finally the iron becomes… … L 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 B H—> Fig. 27.—Showing the effect of temperature and annealing on the induction in soft iron.(Numerical data in Tables XXXII, XXXIII, and XXXIV.) Kwing,19 from data obtained at 70 and ioo° C, concluded thatatmospheric fluctuations need not be considered in…
Magnetism · Magnetic properties and materials
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